– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 pm Thu 27 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Thu 27 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Thu 27 Aug Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 19mm), heaviest on Sat morning. Very mild (max 17°C on Fri afternoon, min 10°C on Sat night). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 9mm), mostly falling on Mon night. Very mild (max 19°C on Mon afternoon, min 10°C on Wed morning). Wind will be generally light. | ||||||||||||||||
Thu 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | |  | | | |  |  | | | | | | |
risk tstorm | rain shwrs | rain shwrs | rain shwrs | light rain | rain shwrs | light rain | light rain | light rain | light rain | some clouds | some clouds | some clouds | rain shwrs | rain shwrs | light rain | light rain | |
Cloud base (m) | 1550 | 850 | 650 | 1700 | 700 | 600 | 600 | 650 | 600 | 650 | 850 | 1800 | 3100 | 2550 | 1700 | 1800 | 1600 |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 3 | 3 | 0.3 | 0.3 | 3 | 6 | 3 | 0.2 | 0.5 | 0.3 | — | — | — | 3 | 0.2 | 0.3 | 0.9 |
max °C | 15 | 14 | 14 | 17 | 14 | 11 | 12 | 12 | 11 | 11 | 12 | 16 | 19 | 16 | 16 | 17 | 14 |
min °C | 15 | 12 | 12 | 17 | 11 | 11 | 11 | 10 | 10 | 11 | 11 | 13 | 18 | 14 | 14 | 16 | 11 |
chill °C | 15 | 12 | 12 | 17 | 11 | 11 | 11 | 10 | 10 | 11 | 11 | 13 | 18 | 14 | 14 | 16 | 9 |
Freezing level m | 2900 | 2750 | 2750 | 2800 | 2500 | 2250 | 2350 | 2350 | 2600 | 2700 | 3200 | 3200 | 3400 | 3050 | 2900 | 2800 | 2750 |
 | — | — | 6:18 | — | — | 6:20 | — | — | 6:20 | — | — | 6:22 | — | — | 6:24 | — | — |
 | — | 8:00 | — | 7:58 | — | — | 7:55 | — | — | 7:53 | — | — | 7:52 | — | — | 7:50 | — |
Loading...
South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Moderate rain (total 19mm), heaviest on Sat morning. Very mild (max 17°C on Fri afternoon, min 10°C on Sat night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Light rain (total 9mm), mostly falling on Mon night. Very mild (max 19°C on Mon afternoon, min 10°C on Wed morning). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
 | |||||
Bellingham Airport | | ||||
Abbotsford Airport |  |
* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.